characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like

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F01D1/24

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES F01D1/00Non-positive-displacement machines or engines

Current Industry

F01D1/24characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Gearbox configurations for clockwise and counterclockwise propeller...
- Patent number 11,873,767
- Issue date Jan 16, 2024
- G.E. Avio S.r.l.
- Andrea Piazza
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Pressurising of lubrication chambers in a turbomachine with counter...
- Patent number 11,828,183
- Issue date Nov 28, 2023
- SAFRAN AIRCRAFT ENGINES
- Paul Ghislain Albert Levisse
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Aircraft propulsion system and aircraft powered by such a propulsio...
- Patent number 11,821,360
- Issue date Nov 21, 2023
- SAFRAN AIRCRAFT ENGINES
- Nicolas Jerome Jean Tantot
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotor for a contrarotating turbine of a turbine engine
- Patent number 11,454,117
- Issue date Sep 27, 2022
- SAFRAN AIRCRAFT ENGINES
- Patrick Jean Laurent Sultana
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Turbomachine with alternatingly spaced turbine rotor blades
- Patent number 11,371,379
- Issue date Jun 28, 2022
- General Electric Company
- Gert Johannes van der Merwe
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Turbine engine with a contra-rotating turbine for an aircraft
- Patent number 11,352,980
- Issue date Jun 7, 2022
- SAFRAN AIRCRAFT ENGINES
- Paul Ghislain Albert Levisse
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Turbine engine with annular cavity
- Patent number 11,280,198
- Issue date Mar 22, 2022
- General Electric Company
- Arnab Sen
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Combustion section heat transfer system for a propulsion system
- Patent number 11,143,106
- Issue date Oct 12, 2021
- General Electric Company
- Joseph Zelina
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Turbomachine with alternatingly spaced turbine rotor blades
- Patent number 11,098,592
- Issue date Aug 24, 2021
- General Electric Company
- Peeyush Pankaj
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Outer drum rotor assembly
- Patent number 11,085,309
- Issue date Aug 10, 2021
- General Electric Company
- Bhaskar Nanda Mondal
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Turbomachine comprising an alternator between two counter-rotating...
- Patent number 11,041,400
- Issue date Jun 22, 2021
- SAFRAN AIRCRAFT ENGINES
- Alexandre Jean-Marie Tan-Kim
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Rotatable torque frame for gas turbine engine
- Patent number 10,961,850
- Issue date Mar 30, 2021
- General Electric Company
- Gert Johannes van der Merwe
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Counter rotating turbine with reversing reduction gear assembly
- Patent number 10,801,442
- Issue date Oct 13, 2020
- General Electric Company
- Jeffrey Donald Clements
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Aircraft comprising a turbojet engine integrated into the rear fuse...
- Patent number 10,746,044
- Issue date Aug 18, 2020
- SAFRAN AIRCRAFT ENGINES
- Nicolas Jerome Jean Tantot
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Aircraft comprising a turbine engine incorporated into the rear fus...
- Patent number 10,661,910
- Issue date May 26, 2020
- SAFRAN AIRCRAFT ENGINES
- François Gallet
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Interdigitated counter rotating turbine system and method of operation
- Patent number 10,655,537
- Issue date May 19, 2020
- General Electric Company
- Alan Roy Stuart
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Three spool gas turbine engine with interdigitated turbine section
- Patent number 10,544,734
- Issue date Jan 28, 2020
- General Electric Company
- Alan Roy Stuart
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Two spool gas turbine engine with interdigitated turbine section
- Patent number 10,539,020
- Issue date Jan 21, 2020
- General Electric Company
- Alan Roy Stuart
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Turbine frame and bearing arrangement for three spool engine
- Patent number 10,519,860
- Issue date Dec 31, 2019
- General Electric Company
- Thomas Ory Moniz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Combustion section heat transfer system for a propulsion system
- Patent number 10,495,001
- Issue date Dec 3, 2019
- General Electric Company
- Joseph Zelina
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Turbine engine with annular cavity
- Patent number 10,480,322
- Issue date Nov 19, 2019
- General Electric Company
- Arnab Sen
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Power transmission system for turbines or compressors having counte...
- Patent number 10,260,367
- Issue date Apr 16, 2019
- Jay Haskin
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Aircraft comprising a turbine engine incorporated into the rear fus...
- Patent number 10,082,040
- Issue date Sep 25, 2018
- SAFRAN AIRCRAFT ENGINES
- Francois Gallet
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Turbine exhaust duct design for air cooled condensers
- Patent number 9,850,782
- Issue date Dec 26, 2017
- Evapco, Inc.
- Raf de Lausnay
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Turbocharger and method of manufacturing floating bush
- Patent number 9,726,189
- Issue date Aug 8, 2017
- Mitsubishi Heavy Industries, Ltd.
- Hideaki Nishida
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Multiple spool turbocharger
- Patent number 9,500,198
- Issue date Nov 22, 2016
- Ford Global Technologies, LLC
- Keith D. Miazgowicz
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Rotational annular airscrew with integrated acoustic arrester
- Patent number 9,476,385
- Issue date Oct 25, 2016
- The Boeing Company
- Matthew D. Moore
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Turbine apparatus with counter-rotating blades
- Patent number 9,410,430
- Issue date Aug 9, 2016
- Jay Haskin
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Multi-stage axial compressor with counter-rotation using accessory...
- Patent number 9,353,754
- Issue date May 31, 2016
- Embry. Riddle Aeronautical University, Inc.
- Vinod Gehlot
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Motor device
- Patent number 9,273,557
- Issue date Mar 1, 2016
- Hitachi Metals, Ltd.
- Masahiro Mita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
IMPROVED ARCHITECTURE OF A TURBOMACHNE WITH COUNTER-ROTATING TURBINE
- Publication number 20230203985
- Publication date Jun 29, 2023
- SAFRAN AIRCRAFT ENGINES
- Olivier FORMICA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GEARBOX CONFIGURATIONS FOR CLOCKWISE AND COUNTERCLOCKWISE PROPELLER...
- Publication number 20230130860
- Publication date Apr 27, 2023
- GE AVIO S.r.I.
- Andrea Piazza
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PRESSURISING OF LUBRICATION CHAMBERS IN A TURBOMACHINE WITH COUNTER...
- Publication number 20230008678
- Publication date Jan 12, 2023
- SAFRAN AIRCRAFT ENGINES
- Paul Ghislain Albert Levisse
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
AIRCRAFT PROPULSION SYSTEM AND AIRCRAFT POWERED BY SUCH A PROPULSIO...
- Publication number 20210140367
- Publication date May 13, 2021
- SAFRAN AIRCRAFT ENGINES
- Nicolas Jerome Jean TANTOT
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ROTOR FOR A CONTRAROTATING TURBINE OF A TURBINE ENGINE
- Publication number 20200284150
- Publication date Sep 10, 2020
- SAFRAN AIRCRAFT ENGINES
- Patrick Jean Laurent Sultana
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
TURBOMACHINE COMPRISING AN ALTERNATOR BETWEEN TWO COUNTER-ROTATING...
- Publication number 20200191010
- Publication date Jun 18, 2020
- SAFRAN AIRCRAFT ENGINES
- Alexandre Jean-Marie TAN-KIM
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
TURBINE ENGINE WITH ANNULAR CAVITY
- Publication number 20200088037
- Publication date Mar 19, 2020
- GENERAL ELECTRIC COMPANY
- Arnab Sen
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Combustion Section Heat Transfer System for a Propulsion System
- Publication number 20200088101
- Publication date Mar 19, 2020
- GENERAL ELECTRIC COMPANY
- Joseph Zelina
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TURBINE ENGINE WITH ANNULAR CAVITY
- Publication number 20190218913
- Publication date Jul 18, 2019
- GENERAL ELECTRIC COMPANY
- Arnab Sen
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
TURBOMACHINE WITH ALTERNATINGLY SPACED TURBINE ROTOR BLADES
- Publication number 20190085702
- Publication date Mar 21, 2019
- GENERAL ELECTRIC COMPANY
- Peeyush Pankaj
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
TURBINE EXHAUST DUCT DESIGN FOR AIR COOLED CONDENSERS
- Publication number 20180291770
- Publication date Oct 11, 2018
- EVAPCO, Inc.
- Raf de Lausnay
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Turbine Frame and Bearing Arrangement for Three Spool Engine
- Publication number 20180258858
- Publication date Sep 13, 2018
- GENERAL ELECTRIC COMPANY
- Thomas Ory Moniz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
MULTI-STAGE AXIAL COMPRESSOR WITH COUNTER-ROTATION USING ACCESSORY...
- Publication number 20140286749
- Publication date Sep 25, 2014
- Embry-Riddle Aeronautical University, Inc.
- Vinod Gehlot
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
MULTIPLE SPOOL TURBOCHARGER
- Publication number 20140234072
- Publication date Aug 21, 2014
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Keith D. Miazgowicz
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
PROPULSION ENGINE
- Publication number 20140212299
- Publication date Jul 31, 2014
- Rolls-Royce plc
- David Anthony EDWARDS
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
TURBOCHARGER AND METHOD OF MANUFACTURING FLOATING BUSH
- Publication number 20140010647
- Publication date Jan 9, 2014
- Mitsubishi Heavy Industries, Ltd.
- Hideaki Nishida
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
TURBINE EXHAUST DUCT DESIGN FOR AIR COOLED CONDENSERS
- Publication number 20130333349
- Publication date Dec 19, 2013
- Raf de Lausnay
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Motor Device
- Publication number 20130315705
- Publication date Nov 28, 2013
- Hitachi Metals, Ltd.
- Masahiro Mita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AXIALLY-SPLIT RADIAL TURBINE
- Publication number 20130280036
- Publication date Oct 24, 2013
- Honeywell International Inc.
- David K. Jan
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Methods and Apparatuses for Model Based Control for Counter-Rotatin...
- Publication number 20130269363
- Publication date Oct 17, 2013
- Manxue Lu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GEARED TURBOFAN WITH THREE TURBINES WITH FIRST TWO CO-ROTATING AND...
- Publication number 20130259650
- Publication date Oct 3, 2013
- Frederick M. Schwarz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
BALANCE CORRECTION WEIGHT PROVIDING CONSTANT MASS
- Publication number 20130236292
- Publication date Sep 12, 2013
- Glynn Milner
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
COUNTER-ROTATING LOW PRESSURE TURBINE WITH GEAR SYSTEM MOUNTED TO T...
- Publication number 20130223993
- Publication date Aug 29, 2013
- Brian D. Merry
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Methods and Apparatuses for Non-Model Based Control for Counter-Rot...
- Publication number 20130202434
- Publication date Aug 8, 2013
- GENERAL ELECTRIC COMPANY
- Manxue Lu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Turbine Wheel Arrangement For A Gas Turbine
- Publication number 20130192231
- Publication date Aug 1, 2013
- BaltiCo GmbH
- Dirk Buchler
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM OF COMPACT CONTRA-ROTATING PROPELLERS
- Publication number 20110311361
- Publication date Dec 22, 2011
- SNECMA
- Gilles Alain Charier
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
GAS TURBINE ENGINE
- Publication number 20100229568
- Publication date Sep 16, 2010
- Kevork Nercessian
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
BYPASS ENGINE WITH CONTRAROTATING TURBINE WHEELS
- Publication number 20100205934
- Publication date Aug 19, 2010
- SNECMA
- François Gallet
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
WIND ENERGY GENERATION DEVICE
- Publication number 20100111697
- Publication date May 6, 2010
- FRONTLINE AEROSPACE, INC
- RYAN S. WOOD
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
AEROENGINE
- Publication number 20100047068
- Publication date Feb 25, 2010
- Rolls-Royce plc
- Anthony B. Parry
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Gearbox configurations for clockwise and counterclockwise propeller...

Pressurising of lubrication chambers in a turbomachine with counter...

Aircraft propulsion system and aircraft powered by such a propulsio...

Rotor for a contrarotating turbine of a turbine engine

Turbomachine with alternatingly spaced turbine rotor blades

Turbine engine with a contra-rotating turbine for an aircraft

Turbine engine with annular cavity

Combustion section heat transfer system for a propulsion system

Turbomachine with alternatingly spaced turbine rotor blades

Outer drum rotor assembly

Turbomachine comprising an alternator between two counter-rotating...

Rotatable torque frame for gas turbine engine

Counter rotating turbine with reversing reduction gear assembly

Aircraft comprising a turbojet engine integrated into the rear fuse...

Aircraft comprising a turbine engine incorporated into the rear fus...

Interdigitated counter rotating turbine system and method of operation

Three spool gas turbine engine with interdigitated turbine section

Two spool gas turbine engine with interdigitated turbine section

Turbine frame and bearing arrangement for three spool engine

Combustion section heat transfer system for a propulsion system

Turbine engine with annular cavity

Power transmission system for turbines or compressors having counte...

Aircraft comprising a turbine engine incorporated into the rear fus...

Turbine exhaust duct design for air cooled condensers

Turbocharger and method of manufacturing floating bush

Multiple spool turbocharger

Rotational annular airscrew with integrated acoustic arrester

Turbine apparatus with counter-rotating blades

Multi-stage axial compressor with counter-rotation using accessory...

Motor device

Patents Applicationslast 30 patents

IMPROVED ARCHITECTURE OF A TURBOMACHNE WITH COUNTER-ROTATING TURBINE

GEARBOX CONFIGURATIONS FOR CLOCKWISE AND COUNTERCLOCKWISE PROPELLER...

PRESSURISING OF LUBRICATION CHAMBERS IN A TURBOMACHINE WITH COUNTER...

AIRCRAFT PROPULSION SYSTEM AND AIRCRAFT POWERED BY SUCH A PROPULSIO...

ROTOR FOR A CONTRAROTATING TURBINE OF A TURBINE ENGINE

TURBOMACHINE COMPRISING AN ALTERNATOR BETWEEN TWO COUNTER-ROTATING...

TURBINE ENGINE WITH ANNULAR CAVITY

Combustion Section Heat Transfer System for a Propulsion System

TURBINE ENGINE WITH ANNULAR CAVITY

TURBOMACHINE WITH ALTERNATINGLY SPACED TURBINE ROTOR BLADES

TURBINE EXHAUST DUCT DESIGN FOR AIR COOLED CONDENSERS

Turbine Frame and Bearing Arrangement for Three Spool Engine

MULTI-STAGE AXIAL COMPRESSOR WITH COUNTER-ROTATION USING ACCESSORY...

MULTIPLE SPOOL TURBOCHARGER

PROPULSION ENGINE

TURBOCHARGER AND METHOD OF MANUFACTURING FLOATING BUSH

TURBINE EXHAUST DUCT DESIGN FOR AIR COOLED CONDENSERS

Motor Device

AXIALLY-SPLIT RADIAL TURBINE

Methods and Apparatuses for Model Based Control for Counter-Rotatin...

GEARED TURBOFAN WITH THREE TURBINES WITH FIRST TWO CO-ROTATING AND...

BALANCE CORRECTION WEIGHT PROVIDING CONSTANT MASS

COUNTER-ROTATING LOW PRESSURE TURBINE WITH GEAR SYSTEM MOUNTED TO T...

Methods and Apparatuses for Non-Model Based Control for Counter-Rot...

Turbine Wheel Arrangement For A Gas Turbine

SYSTEM OF COMPACT CONTRA-ROTATING PROPELLERS

GAS TURBINE ENGINE

BYPASS ENGINE WITH CONTRAROTATING TURBINE WHEELS

WIND ENERGY GENERATION DEVICE

AEROENGINE